<template>
  <div id="find-password" class="container">
    <div class="find-container w">
      <h1>找回密码<span>请您填写下面的表单来修改密码</span></h1>
      <div class="find-content">
        <div v-show="step === 1" class="find-item RegExp">
          <el-form :model="validAccountForm" :rules="validAccountRules" ref="validAccountForm" label-width="120px" style="width: 370px">
            <el-form-item label="账户名：" prop="account" :error="accountError">
              <el-input v-model="validAccountForm.account"></el-input>
            </el-form-item>
            <div style="margin: 0 0 22px 120px;" v-if="validateInFO.validator_type === 'ALIYUN'">
              <div id="slider-valid" class="nc-container"></div>
            </div>
            <el-form-item label="图片验证码：" prop="img_code" class="vali-img" v-else-if="validateInFO.validator_type === 'IMAGE'">
              <el-input v-model="validAccountForm.img_code" :maxlength="4">
                <img :src="valid_img_url" @click="getValidImgUrl" slot="append">
              </el-input>
            </el-form-item>
            <div style="width: 100%;height: 35px;" v-else></div>
            <el-form-item>
              <el-button class="next-btn" type="danger" @click="handleValidAccount" :disabled="!accountAfsSuccess">
                验证账户
              </el-button>
            </el-form-item>
          </el-form>
        </div>
        <div v-show="step === 2" class="find-item RegExp">
          <el-form :model="validMobileForm" :rules="validMobileRules" ref="validMobileForm" label-width="120px" style="width: 370px">
            <el-form-item label="手机号码：">
              <span>{{ validMobileForm.mobile }}</span>
            </el-form-item>
            <div style="margin: 0 0 22px 120px;" v-if="validateInFO.validator_type === 'ALIYUN'">
              <div id="step-slider-valid" class="nc-container"></div>
            </div>
            <el-form-item label="图片验证码：" prop="img_code" class="vali-img" v-else-if="validateInFO.validator_type === 'IMAGE'">
              <el-input v-model="validMobileForm.img_code" :maxlength="4">
                <img :src="valid_img_url" @click="getValidImgUrl" slot="append">
              </el-input>
            </el-form-item>
            <div style="width: 100%;height: 35px;" v-else></div>
            <el-form-item label="短信验证码：" prop="sms_code" v-if="accountAfsSuccess">
              <el-input v-model="validMobileForm.sms_code" :maxlength="6">
                <en-count-down-btn :time="60" :start="sendValidMobileSms" @end="getValidImgUrl" slot="append"/>
              </el-input>
            </el-form-item>
            <el-form-item>
              <el-button class="next-btn" type="danger" @click="handleNextStep" :disabled="!accountAfsSuccess">
                下一步
              </el-button>
            </el-form-item>
          </el-form>
        </div>
        <div v-show="step === 3" class="find-item RegExp">
          <el-form :model="changePasswordForm" :rules="changePasswordRules" ref="changePasswordForm" label-width="140px">
            <el-form-item label="请输入密码：" prop="password">
              <el-input v-model="changePasswordForm.password" placeholder="请输入密码" type="password"></el-input>
            </el-form-item>
            <el-form-item label="请确认密码：" prop="rep_password">
              <el-input v-model="changePasswordForm.rep_password" placeholder="请确认密码" type="password" auto-complete="off"></el-input>
            </el-form-item>
            <el-form-item>
              <el-button @click.stop="submitChangeForm">确认修改</el-button>
            </el-form-item>
          </el-form>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import Vue from 'vue'
import * as API_Passport from '@/api/passport'
import * as API_Common from '@/api/common'
import Storage from '@/utils/storage'
import AliyunAfs from '@/components/AliyunAfs'
import { RegExp } from '~/ui-utils'
import { Form, FormItem, Input } from 'element-ui'

Vue.use(Form).use(FormItem).use(Input)

export default {
  name: 'find-password',
  layout: 'full',
  data() {
    return {
      // uuid
      uuid: Storage.getItem('uuid'),
      // 步骤
      step: 1,
      /** 校验账户信息 表单 */
      validAccountForm: {
        scene: 'FIND_PASSWORD'
      },
      /** 校验账户信息 表单验证 */
      validAccountRules: {
        account: [this.MixinRequired('请输入账户名称！')],
        img_code: [this.MixinRequired('请输入图片验证码！')]
      },
      accountError: '',
      /** 校验手机 表单 */
      validMobileForm: {
        scene: 'FIND_PASSWORD'
      },
      /** 校验手机 表单规则 */
      validMobileRules: {
        img_code: [this.MixinRequired('请输入图片验证码！')],
        sms_code: [this.MixinRequired('请输入短信验证码！')]
      },
      /** 图片验证码URL */
      valid_img_url: '',
      /** 修改密码 表单 */
      changePasswordForm: {
        password: '',
        rep_password: ''
      },
      /** 修改密码 表单规则 */
      changePasswordRules: {
        password: [
          this.MixinRequired('请输入新的登录密码！'),
          {
            validator: (rule, value, callback) => {
              if (!RegExp.password.test(value)) {
                callback(new Error('密码应为6-20位英文或数字！'))
              } else {
                callback()
              }
            },
            trigger: 'blur'
          }
        ],
        rep_password: [
          this.MixinRequired('请再次输入密码！'),
          {
            validator: (rule, value, callback) => {
              if (value !== this.changePasswordForm.password) {
                callback(new Error('两次输入的密码不相同'))
              } else {
                callback()
              }
            },
            trigger: 'blur'
          }
        ]
      },
      /** 验证信息 **/
      validateInFO: {},
      /** 阿里云验证条实例 **/
      afs: null,
      /** 当滑动验证成功之后返回的参数 **/
      afsParam: {
        c_sessionid: '',
        sig: '',
        nc_token: ''
      },
      /** 阿里云滑动验证是否通过 && 如果不是 阿里云验证则直接设置为 true **/
      accountAfsSuccess: false
    }
  },
  mounted() {
    this.$nextTick(this.getValidImgUrl)
    /** 获取验证方式 **/
    API_Common.getValidator().then(res => {
      this.validateInFO = res
      const { validator_type, aliyun_afs } = res
      if (validator_type === 'ALIYUN') {
        this.afs = new AliyunAfs('#slider-valid', aliyun_afs.scene, aliyun_afs.app_key, this.initCaptcha)
        this.afs.init()
      } else {
        this.accountAfsSuccess = true
      }
    })
  },
  methods: {
    /** 阿里云滑动验证 通过后的回调函数 **/
    initCaptcha(data) {
      this.afsParam.c_sessionid = data.csessionid
      this.afsParam.sig = data.sig
      this.afsParam.nc_token = data.nc_token
      this.accountAfsSuccess = true
    },
    /** 获取图片验证码URL */
    getValidImgUrl() {
      const uuid = this.step === 1 ? this.uuid : this.validMobileForm.uuid
      this.valid_img_url = API_Common.getValidateCodeUrl(uuid, 'FIND_PASSWORD')
    },
    /** 验证账户 */
    handleValidAccount() {
      this.$refs['validAccountForm'].validate((valid) => {
        if (valid) {
          const params = JSON.parse(JSON.stringify(this.validAccountForm))
          params.uuid = this.uuid
          if (this.afs) {
            params.c_sessionid = this.afsParam.c_sessionid
            params.sig = this.afsParam.sig
            params.nc_token = this.afsParam.nc_token
            delete params.scene
            API_Passport.validAccount(params).then((response) => {
              this.validMobileForm.mobile = response.mobile
              this.validMobileForm.uname = response.uname
              this.validMobileForm.uuid = response.uuid
              this.step = 2
              this.accountAfsSuccess = false
              API_Common.getValidator().then(res => {
                this.validateInFO = res
                const { validator_type, aliyun_afs } = res
                if (validator_type === 'ALIYUN') {
                  this.afs = new AliyunAfs('#step-slider-valid', aliyun_afs.scene, aliyun_afs.app_key, this.initCaptcha)
                  this.afs.init()
                } else {
                  this.accountAfsSuccess = true
                }
              })
            }).catch(error => {
              this.afs.reload()
              this.accountAfsSuccess = false
              this.accountError = error.response.data.message
            })
          } else {
            params.captcha = params.img_code
            API_Passport.validAccount(params).then((response) => {
              this.validMobileForm.mobile = response.mobile
              this.validMobileForm.uname = response.uname
              this.validMobileForm.uuid = response.uuid
              this.step = 2
              this.getValidImgUrl()
            }).catch(error => {
              this.getValidImgUrl()
              this.accountError = error.response.data.message
            })
          }
        } else {
          this.$message.error('表单填写有误，请核对！')
          return false
        }
      })
    },
    /** 发送手机验证码异步方法 */
    sendValidMobileSms() {
      return new Promise((resolve, reject) => {
        const params = JSON.parse(JSON.stringify(this.validMobileForm))
        if (this.afs) {
          params.c_sessionid = this.afsParam.c_sessionid
          params.sig = this.afsParam.sig
          params.nc_token = this.afsParam.nc_token
          delete params.scene
          API_Passport.sendFindPasswordSms(params).then(() => {
            this.$message.success('发送成功，请注意查收！')
            resolve()
          }).catch(() => {
            this.afs.reload()
            this.accountAfsSuccess = false
            reject()
          })
        } else {
          params.captcha = params.img_code
          delete params.img_code
          if (!params.captcha) {
            this.$message.error('请输入图片验证码！')
            reject()
          } else {
            API_Passport.sendFindPasswordSms(params).then(() => {
              this.$message.success('发送成功，请注意查收！')
              resolve()
            }).catch(() => {
              this.getValidImgUrl()
              reject()
            })
          }
        }
      })
    },
    /** 下一步 */
    handleNextStep() {
      this.$refs['validMobileForm'].validate((valid) => {
        if (valid) {
          const { uuid, sms_code } = this.validMobileForm
          API_Passport.validFindPasswordSms(uuid, sms_code).then(() => {
            this.step = 3
            this.getValidImgUrl()
          }).catch(() => {
            if (this.afs) {
              this.afs.reload()
              this.accountAfsSuccess = false
            } else {
              this.getValidImgUrl
            }
          })
        } else {
          this.$message.error('表单填写有误，请检查！')
          return false
        }
      })
    },
    /** 找回密码 */
    submitChangeForm() {
      this.$refs['changePasswordForm'].validate((valid) => {
        if (valid) {
          const { uuid } = this.validMobileForm
          const { password } = this.changePasswordForm
          API_Passport.changePassword(uuid, password).then(() => {
            this.$message.success('密码找回成功，请牢记您的新密码！')
            setTimeout(() => {
              this.$router.push(`/login${this.MixinForward}`)
            }, 200)
          }).catch(this.getValidImgUrl)
        } else {
          this.$message.error('表单填写有误，请检查！')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>
@import "../assets/styles/color";
.container {
  background: #f5f5f5;
  overflow: hidden;
  padding: 30px 0;
  .find-container {
    margin: 0 auto 10px;
    width: 794px;
    padding: 30px;
    background: #fff;
    h1 {
      font-size: 30px;
      font-weight: 600;
      color: #333;
      line-height: 1.5;
      font-family: arial, "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "微軟正黑體", "儷黑 Pro", sans-serif;
      span {
        color: #757575;
        font-size: 12px;
        line-height: 1.5;
        margin-left: 10px;
        font-weight: normal;
      }
    }
  }
  .find-title {
    margin: 30px 0 0;
    overflow: hidden;
    width: 794px;
    ul {
      font-size: 16px;
      line-height: 1.25;
      list-style-type: none;
      margin: 0;
      width: 800px;
      overflow: hidden;
      li {
        color: #757575;
        cursor: pointer;
        float: left;
        font-size: 16px;
        line-height: 1.25;
        list-style-type: none;
        border-left: 1px solid #e0e0e0;
        width: 397px;
        text-align: center;
        &.active {
          color: $color-main;
          font-weight: 600;
        }
      }
    }
  }
  .find-content {
    display: flex;
    justify-content: center;
    border-top: 1px solid #e0e0e0;
    margin-top: 20px;
    padding: 25px 0;
    position: relative;
    width: 794px;
  }
  .find-item.RegExp {
    /deep/ .vali-img .el-input-group__append {
      padding: 0
    }
    img {
      height: 38px;
      cursor: pointer
    }
    .next-btn {
      width: 250px
    }
  }
}
</style>
